class ActiveSupport::Callbacks::CallbackSequence
Execute before and after filters in a sequence instead of chaining them with nested lambda calls, see: github.com/rails/rails/issues/18011
Public Class Methods
new(&call)
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# File lib/active_support/callbacks.rb, line 429 def initialize(&call) @call = call @before = [] @after = [] end
Public Instance Methods
after(&after)
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# File lib/active_support/callbacks.rb, line 440 def after(&after) @after.push(after) self end
around(&around)
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# File lib/active_support/callbacks.rb, line 445 def around(&around) CallbackSequence.new do |arg| around.call(arg) { self.call(arg) } end end
before(&before)
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# File lib/active_support/callbacks.rb, line 435 def before(&before) @before.unshift(before) self end
call(arg)
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# File lib/active_support/callbacks.rb, line 453 def call(arg) @before.each { |b| b.call(arg) } value = @call.call(arg) @after.each { |a| a.call(arg) } value end